219945138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^2$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 512723136

約数和(自身を除く): 292777998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 293, 366, 427, 586, 854, 879, 1281, 1758, 2051, 2562, 4102, 6153, 12306, 17873, 35746, 53619, 85849, 107238, 125111, 171698, 250222, 257547, 375333, 515094, 600943, 750666, 1201886, 1802829, 3605658, 5236789, 10473578, 15710367, 31420734, 36657523, 73315046, 109972569, 219945138]

約数ペア:

[(1, 219945138), (2, 109972569), (3, 73315046), (6, 36657523), (7, 31420734), (14, 15710367), (21, 10473578), (42, 5236789), (61, 3605658), (122, 1802829), (183, 1201886), (293, 750666), (366, 600943), (427, 515094), (586, 375333), (854, 257547), (879, 250222), (1281, 171698), (1758, 125111), (2051, 107238), (2562, 85849), (4102, 53619), (6153, 35746), (12306, 17873)]